Simple linear regression tests of urinary NMF (mg/l) levels with the number of monitoring day across the weekdays (W1–W5)
| Factory | Parameters of regression | ||||
|---|---|---|---|---|---|
| n | Intercept | Slope | r | p | |
| The data regarding the urinary U-NMF and A-DMF were naturally log transformed. | |||||
| *Excluding the data for those skin exposures (hand or forearm) were detectable. | |||||
| SL | 117 | −0.79 | 0.25*** | 0.39*** | <0.001 |
| CLCB | 85* | 2.23 | 0.78 | 0.04 | 0.72 |